/* * Declarations of Rose type objects. * * Jonathan Naylor G4KLX 25/8/96 */ #ifndef _ROSE_H #define _ROSE_H #include #define ROSE_SLOWHZ 10 /* Run timing at 1/10 second */ #define ROSE_ADDR_LEN 5 #define ROSE_MIN_LEN 3 #define ROSE_GFI 0x10 #define ROSE_Q_BIT 0x80 #define ROSE_D_BIT 0x40 #define ROSE_M_BIT 0x10 #define M_BIT 0x10 #define ROSE_CALL_REQUEST 0x0B #define ROSE_CALL_ACCEPTED 0x0F #define ROSE_CLEAR_REQUEST 0x13 #define ROSE_CLEAR_CONFIRMATION 0x17 #define ROSE_DATA 0x00 #define ROSE_INTERRUPT 0x23 #define ROSE_INTERRUPT_CONFIRMATION 0x27 #define ROSE_RR 0x01 #define ROSE_RNR 0x05 #define ROSE_REJ 0x09 #define ROSE_RESET_REQUEST 0x1B #define ROSE_RESET_CONFIRMATION 0x1F #define ROSE_REGISTRATION_REQUEST 0xF3 #define ROSE_REGISTRATION_CONFIRMATION 0xF7 #define ROSE_RESTART_REQUEST 0xFB #define ROSE_RESTART_CONFIRMATION 0xFF #define ROSE_DIAGNOSTIC 0xF1 #define ROSE_ILLEGAL 0xFD /* Define Link State constants. */ #define ROSE_STATE_0 0 /* Ready */ #define ROSE_STATE_1 1 /* Awaiting Call Accepted */ #define ROSE_STATE_2 2 /* Awaiting Clear Confirmation */ #define ROSE_STATE_3 3 /* Data Transfer */ #define ROSE_STATE_4 4 /* Awaiting Reset Confirmation */ #define ROSE_STATE_5 5 /* Deferred Call Acceptance */ #define ROSE_DEFAULT_T0 (180 * ROSE_SLOWHZ) /* Default T10 T20 value */ #define ROSE_DEFAULT_T1 (200 * ROSE_SLOWHZ) /* Default T11 T21 value */ #define ROSE_DEFAULT_T2 (180 * ROSE_SLOWHZ) /* Default T12 T22 value */ #define ROSE_DEFAULT_T3 (180 * ROSE_SLOWHZ) /* Default T13 T23 value */ #define ROSE_DEFAULT_HB (5 * ROSE_SLOWHZ) /* Default Holdback value */ #define ROSE_DEFAULT_ROUTING 1 /* Default routing flag */ #define ROSE_DEFAULT_FAIL_TIMEOUT (120 * ROSE_SLOWHZ) /* Time until link considered usable */ #define ROSE_DEFAULT_MAXVC 50 /* Maximum number of VCs per neighbour */ #define ROSE_DEFAULT_WINDOW_SIZE 7 /* Default window value */ #define ROSE_MODULUS 8 #define ROSE_MAX_PACKET_SIZE 251 /* Maximum Packet Size */ #define ROSE_MAX_WINDOW_LEN ((AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN + 300) * 7) #define ROSE_COND_ACK_PENDING 0x01 #define ROSE_COND_PEER_RX_BUSY 0x02 #define ROSE_COND_OWN_RX_BUSY 0x04 #define FAC_NATIONAL 0x00 #define FAC_CCITT 0x0F #define FAC_NATIONAL_RAND 0x7F #define FAC_NATIONAL_FLAGS 0x3F #define FAC_NATIONAL_DEST_DIGI 0xE9 #define FAC_NATIONAL_SRC_DIGI 0xEB #define FAC_NATIONAL_FAIL_CALL 0xED #define FAC_NATIONAL_FAIL_ADD 0xEE #define FAC_NATIONAL_DIGIS 0xEF #define FAC_CCITT_DEST_NSAP 0xC9 #define FAC_CCITT_SRC_NSAP 0xCB struct rose_neigh { struct rose_neigh *next; ax25_address callsign; ax25_digi *digipeat; ax25_cb *ax25; struct device *dev; unsigned short count; unsigned short use; unsigned int number; char restarted; char dce_mode; struct sk_buff_head queue; unsigned short t0timer, ftimer; struct timer_list timer; }; #define ROSE_MAX_ALTERNATE 3 struct rose_node { struct rose_node *next; rose_address address; unsigned short mask; unsigned char count; struct rose_neigh *neighbour[ROSE_MAX_ALTERNATE]; }; typedef struct { unsigned int lci; struct rose_neigh *neigh; unsigned short vs, vr, va, vl; unsigned short pending; unsigned char state, condition; struct timer_list timer; } rose_tr; struct rose_route { struct rose_route *next; rose_address src_addr, dest_addr; ax25_address src_call, dest_call; rose_tr tr1, tr2; unsigned int rand; }; typedef struct { rose_address source_addr, dest_addr; ax25_address source_call, dest_call; unsigned char source_ndigis, dest_ndigis; ax25_address source_digis[ROSE_MAX_DIGIS]; ax25_address dest_digis[ROSE_MAX_DIGIS]; struct rose_neigh *neighbour; struct device *device; unsigned int lci, rand; unsigned char state, condition, qbitincl, defer; unsigned char cause, diagnostic; unsigned short vs, vr, va, vl; unsigned short timer; unsigned short t1, t2, t3, hb; #ifdef M_BIT unsigned short fraglen; struct sk_buff_head frag_queue; #endif struct sk_buff_head ack_queue; struct rose_facilities_struct facilities; struct sock *sk; /* Backlink to socket */ } rose_cb; /* af_rose.c */ extern ax25_address rose_callsign; extern int sysctl_rose_restart_request_timeout; extern int sysctl_rose_call_request_timeout; extern int sysctl_rose_reset_request_timeout; extern int sysctl_rose_clear_request_timeout; extern int sysctl_rose_ack_hold_back_timeout; extern int sysctl_rose_routing_control; extern int sysctl_rose_link_fail_timeout; extern int sysctl_rose_maximum_vcs; extern int sysctl_rose_window_size; extern int rosecmp(rose_address *, rose_address *); extern int rosecmpm(rose_address *, rose_address *, unsigned short); extern char *rose2asc(rose_address *); extern void rose_kill_by_neigh(struct rose_neigh *); extern struct sock *rose_find_socket(unsigned int, struct rose_neigh *); extern unsigned int rose_new_lci(struct rose_neigh *); extern int rose_rx_call_request(struct sk_buff *, struct device *, struct rose_neigh *, unsigned int); extern void rose_destroy_socket(struct sock *); /* rose_dev.c */ extern int rose_rx_ip(struct sk_buff *, struct device *); extern int rose_init(struct device *); #include /* rose_in.c */ extern int rose_process_rx_frame(struct sock *, struct sk_buff *); /* rose_link.c */ extern void rose_link_set_timer(struct rose_neigh *); extern void rose_link_rx_restart(struct sk_buff *, struct rose_neigh *, unsigned short); extern void rose_transmit_restart_request(struct rose_neigh *); extern void rose_transmit_restart_confirmation(struct rose_neigh *); extern void rose_transmit_diagnostic(struct rose_neigh *, unsigned char); extern void rose_transmit_clear_request(struct rose_neigh *, unsigned int, unsigned char, unsigned char); extern void rose_transmit_link(struct sk_buff *, struct rose_neigh *); /* rose_loopback.c */ extern void rose_loopback_init(void); extern void rose_loopback_clear(void); extern int rose_loopback_queue(struct sk_buff *, struct rose_neigh *); /* rose_out.c */ extern void rose_kick(struct sock *); extern void rose_enquiry_response(struct sock *); /* rose_route.c */ extern void rose_rt_device_down(struct device *); extern void rose_link_device_down(struct device *); extern void rose_clean_neighbour(struct rose_neigh *); extern struct device *rose_dev_first(void); extern struct device *rose_dev_get(rose_address *); extern struct rose_route *rose_route_free_lci(unsigned int, struct rose_neigh *); extern struct device *rose_ax25_dev_get(char *); extern struct rose_neigh *rose_get_neigh(rose_address *, unsigned char *, unsigned char *); extern int rose_rt_ioctl(unsigned int, void *); extern void rose_link_failed(ax25_cb *, int); extern int rose_route_frame(struct sk_buff *, ax25_cb *); extern int rose_nodes_get_info(char *, char **, off_t, int, int); extern int rose_neigh_get_info(char *, char **, off_t, int, int); extern int rose_routes_get_info(char *, char **, off_t, int, int); extern void rose_rt_free(void); /* rose_subr.c */ extern void rose_clear_queues(struct sock *); extern void rose_frames_acked(struct sock *, unsigned short); extern int rose_validate_nr(struct sock *, unsigned short); extern void rose_write_internal(struct sock *, int); extern int rose_decode(struct sk_buff *, int *, int *, int *, int *, int *); extern int rose_parse_facilities(unsigned char *, struct rose_facilities_struct *); extern int rose_create_facilities(unsigned char *, rose_cb *); /* rose_timer.c */ extern void rose_set_timer(struct sock *); /* sysctl_net_rose.c */ extern void rose_register_sysctl(void); extern void rose_unregister_sysctl(void); /* rose_transit.c */ void rose_transit(struct sk_buff *, rose_tr *, rose_tr *); void rose_init_transit(rose_tr *, unsigned int, struct rose_neigh *); #endif